Expires:202605180600;;733105
FPUS53 KLSX 172218
ZFPLSX

Zone Forecasts
National Weather Service Saint Louis MO
518 PM CDT Sun May 17 2026


ILZ102-MOZ065-180600-
Monroe IL-Jefferson MO-
518 PM CDT Sun May 17 2026

.TONIGHT...Mostly clear this evening, then becoming mostly
cloudy. Lows in the lower 70s. South winds 5 to 10 mph with gusts
up to 25 mph. 
.MONDAY...Mostly cloudy. A chance of showers and thunderstorms in
the morning, then showers and thunderstorms likely in the
afternoon. Highs in the upper 80s. South winds 10 to 15 mph with
gusts up to 25 mph. Chance of rain 70 percent. 
.MONDAY NIGHT...Partly cloudy. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight. Lows in the upper 60s. South winds
10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. 
.TUESDAY...Showers and thunderstorms. Highs in the mid 80s.
Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of
rain near 100 percent. 
.TUESDAY NIGHT...Showers and thunderstorms. Cooler with lows in
the mid 50s. Northwest winds 5 to 10 mph. Chance of rain near
100 percent. 
.WEDNESDAY THROUGH THURSDAY...Mostly cloudy with a slight chance
of showers and thunderstorms. Highs in the lower 70s. Lows around
50. Chance of rain 20 percent. 
.THURSDAY NIGHT...Mostly cloudy. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight. Lows in the mid 50s. Chance of rain
30 percent. 
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a chance of showers
and thunderstorms. Highs in the mid 70s. Lows in the upper 50s.
Chance of rain 50 percent. 
.SATURDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the lower 80s. Chance of rain 40 percent.
.SATURDAY NIGHT...Mostly cloudy in the evening, then becoming
partly cloudy. A slight chance of showers and thunderstorms. Lows
in the lower 60s. Chance of rain 20 percent. 
.SUNDAY...Mostly sunny. A chance of showers and thunderstorms in
the afternoon. Highs in the upper 80s. Chance of rain 30 percent.

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